Crabronidae
Guides
Crabro peltista
Crabro peltista is a species of solitary digger wasp in the family Crabronidae, described by Kohl in 1888. Like other members of the genus Crabro, this species is a fossorial wasp that constructs underground burrows to provision with prey for its larvae. The species occurs in Middle America and North America, though specific details about its biology and ecology remain poorly documented in available literature.
Crabro snowii
Crabro snowii is a species of square-headed wasp in the family Crabronidae, described by W. Fox in 1896. It is known from North America, with records from Canada including Alberta. As a member of the genus Crabro, it likely exhibits the fossorial nesting behavior and predatory habits characteristic of the tribe Crabronini, though specific details about its biology remain poorly documented.
Crabro tumidus
Crabro tumidus is a species of square-headed wasp in the family Crabronidae. It is native to North America. As a member of the genus Crabro, it belongs to a group of solitary wasps that provision nests with prey for their developing larvae. The species was described by Packard in 1867.
Crossocerus
Crossocerus is a large genus of square-headed wasps in the family Crabronidae, comprising at least 250 described species. These solitary wasps are characterized by their distinctive head shape and predatory lifestyle. The genus is taxonomically well-established and widely distributed across multiple continents.
Crossocerus angelicus
Crossocerus angelicus is a species of solitary wasp in the family Crabronidae, first described by Kincaid in 1900. It belongs to a genus of small to medium-sized predatory wasps commonly known as square-headed wasps. The species is recorded from North America, with specific occurrence data from Alberta, Canada. Like other members of Crossocerus, it likely preys on small insects, particularly flies, though specific prey records for this species are not well documented.
Crossocerus elongatulus
Crossocerus elongatulus is a solitary wasp in the family Crabronidae, native to the Palearctic region. It has been introduced to the Azores and North America. The species belongs to a genus of aphid-hunting wasps, though specific prey records for this species are limited. Like other Crossocerus species, females construct nests in pre-existing cavities and provision them with paralyzed prey for their larvae.
Crossocerus harringtonii
Crossocerus harringtonii is a small solitary wasp in the family Crabronidae, first described by W. Fox in 1895. It belongs to a genus of aphid-hunting wasps that provision their nests with paralyzed aphids for their larvae. The species is known from limited records in western North America, particularly Alberta, Canada. Observations are sparse, with only 9 documented records on iNaturalist as of the source data.
Crossocerus lentus
Crossocerus lentus is a species of square-headed wasp in the family Crabronidae, described by W. Fox in 1895. The genus Crossocerus comprises small to medium-sized solitary wasps that provision their nests with paralyzed prey, primarily small flies. This species is recorded from North America, with confirmed observations in Canada (Alberta). As with many Crabronidae, detailed biological information for this specific species remains limited.
Crossocerus maculipennis
Crossocerus maculipennis is a species of solitary digger wasp in the family Crabronidae. The species belongs to a genus of predatory wasps that provision their nests with paralyzed prey, primarily beetles. The specific epithet 'maculipennis' refers to spotted or marked wings. Based on related species in the genus, it likely exhibits nest-building behavior in sandy or loose soils and specializes on particular beetle prey groups.
Didineis latimana
Didineis latimana is a species of solitary wasp in the family Crabronidae (formerly treated as Bembicidae). It belongs to the subfamily Bembicinae and tribe Alyssontini. The species was described by Malloch and Rohwer in 1930 and is known from North America, with records from Canada including Ontario.
Didineis texana
Didineis texana is a species of sand wasp in the family Crabronidae, subfamily Bembicinae, tribe Alyssontini. It is one of several species in the genus Didineis, which are small to medium-sized wasps adapted to sandy habitats. The species was described by Cresson in 1873 and is known from the southern United States and Mexico. Like other members of its tribe, it is likely a predator of small insects, though specific biological details remain poorly documented.
Diploplectron ferrugineum
Diploplectron ferrugineum is a solitary wasp species in the family Crabronidae, subfamily Astatinae. It is a small, rust-colored wasp found in North America. Members of this genus are known to be ground-nesting predators that provision their nests with paralyzed prey, typically small insects. The species was described by William Harris Ashmead in 1899.
Ectemnius arcuatus
square-headed wasp
Ectemnius arcuatus is a species of square-headed wasp in the family Crabronidae, first described by Thomas Say in 1837. It belongs to a genus of solitary wasps characterized by their distinctive head shape. The species occurs in North America, with records from Canada and the United States. Like other members of its genus, it is a solitary, predatory wasp that provisions nests with paralyzed prey.
Ectemnius centralis
square-headed wasp
Ectemnius centralis is a species of square-headed wasp in the family Crabronidae. The species is distributed across the Caribbean, Central America, and South America. Like other members of the genus Ectemnius, it is a solitary wasp. Detailed biological information for this species is limited in available sources.
Ectemnius cephalotes
Large Ectemnius
Ectemnius cephalotes is a species of square-headed wasp in the family Crabronidae. It is a solitary, fossorial wasp that constructs underground nests. The species has a broad distribution spanning Europe, Northern Asia (excluding China), and North America. It is one of the larger members of the genus Ectemnius, which comprises approximately 80 species worldwide.
Ectemnius decemmaculatus
Ectemnius decemmaculatus is a species of square-headed wasp in the family Crabronidae. It occurs in North America, with records from Canada and the United States. As a member of the genus Ectemnius, it belongs to a group of solitary wasps that provision nests with prey for their offspring. The species was first described by Thomas Say in 1823.
Ectemnius dilectus
Ectemnius dilectus is a solitary wasp in the family Crabronidae, tribe Crabronini. It belongs to a genus of digger wasps that primarily prey on flies (Diptera), distinguishing them from related genera such as Anacrabro that hunt plant bugs. The species is recorded in North America, with distribution records from Canada including Alberta. As a member of Crabronini, it is fossorial, constructing underground nests for rearing offspring.
Ectemnius dives
Ectemnius dives is a species of square-headed wasp in the family Crabronidae. It is found across Europe and Northern Asia (excluding China), North America, and Southern Asia. As a member of the genus Ectemnius, it belongs to a group of solitary wasps that typically nest in wood and provision their nests with prey for their larvae.
Ectemnius maculosus
square-headed wasp
Ectemnius maculosus is a species of square-headed wasp in the family Crabronidae. Its native range encompasses much of the eastern United States and southeasternmost Canada. The species has been reported from outside its native range in North America, Europe, and northern Asia, though these populations may represent adventive introductions. Like other members of the genus Ectemnius, this species is a solitary wasp that provisions nests with prey for its larvae.
Ectemnius paucimaculatus
Ectemnius paucimaculatus is a solitary wasp in the family Crabronidae, tribe Crabronini. The genus Ectemnius includes species that are morphologically similar to other crabronine wasps such as Anacrabro, Lestica, and Crabro. Members of this genus are distinguished from close relatives by abdominal characters. Specific biological details for E. paucimaculatus remain poorly documented in published sources.
Ectemnius ruficornis
square-headed wasp
Ectemnius ruficornis is a species of square-headed wasp in the family Crabronidae. It is a solitary, fossorial wasp that constructs underground nests. The species has two recognized subspecies: E. r. ruficornis (Zetterstedt, 1838) and E. r. taiwanus Tsuneki, 1968. It has been recorded across Europe, Northern Asia, North America, and Southern Asia.
Ectemnius scaber
Ectemnius scaber is a species of square-headed wasp in the family Crabronidae. It is found in North America. The species has two recognized subspecies: Ectemnius scaber rufescens and the nominate Ectemnius scaber scaber.
Ectemnius sonorensis
square-headed wasp
Ectemnius sonorensis is a species of square-headed wasp in the family Crabronidae. It was described by Cameron in 1891. The species is known from Central America. Like other members of the genus Ectemnius, it is a solitary wasp that provisions nests with prey for its larvae.
Ectemnius stirpicola
square-headed wasp
Ectemnius stirpicola is a species of square-headed wasp in the family Crabronidae. It is native to North America, with records from Canada including Alberta. Like other members of the genus Ectemnius, it belongs to the tribe Crabronini, a group of solitary wasps that provision nests with prey for their larvae.
Ectemnius trifasciatus
Ectemnius trifasciatus is a solitary wasp in the family Crabronidae, originally described by Thomas Say in 1824 under the basionym Crabro trifasciatus. As a member of the genus Ectemnius, it is part of a group of digger wasps known to nest in wood and provision their young with paralyzed flies. The species is recorded from North America, with specific observations from Alberta, Canada.
Entomognathus
Entomognathus is a genus of solitary wasps in the family Crabronidae. The genus contains at least 40 species distributed across multiple zoogeographic regions including the Palearctic, Nearctic, Ethiopian, Oriental, and Neotropical realms. Nesting behavior has been documented for relatively few species, with E. brevis being the most thoroughly studied. The genus was historically placed in Sphecidae but is currently classified within Crabronidae.
Epinysson basilaris
Epinysson basilaris is a species of solitary wasp in the family Crabronidae (formerly placed in Bembicidae). The species was described by Cresson in 1882 and is distributed across Central America and North America. As a member of the Nyssonini tribe, it belongs to a group of kleptoparasitic or predatory wasps whose biology remains incompletely documented.
Epinysson bellus
Epinysson bellus is a species of digger wasp in the family Crabronidae, subfamily Bembicinae, tribe Nyssonini. The species was first described by Cresson in 1882. It belongs to a group of solitary wasps that are part of the diverse nyssonine lineage within the Bembicinae. Like other members of its genus, it is likely a kleptoparasite or predator associated with other ground-nesting wasps, though specific biological details remain poorly documented.
Eucerceris arenaria
Eucerceris arenaria is a species of solitary wasp in the family Crabronidae (formerly placed in Philanthidae). Described by Scullen in 1948, it is found in North America. Like other members of the genus Eucerceris, this species is likely a predator of beetles, though specific biological details remain poorly documented. The species epithet "arenaria" suggests an association with sandy habitats.
Eucerceris bitruncata
Eucerceris bitruncata is a species of weevil wasp in the family Crabronidae, described by Scullen in 1939. The genus Eucerceris is part of the tribe Cercerini, commonly known as weevil wasps for their specialized predation on weevils (Curculionidae). This species occurs in North America. Very few observations exist in public databases, with only two records documented on iNaturalist.
Eucerceris canaliculata
Eucerceris canaliculata is a species of solitary wasp in the family Crabronidae (formerly placed in Philanthidae). It belongs to the tribe Cercerini, commonly known as weevil wasps, which specialize in hunting weevils and other beetles to provision their nests. The species is found in North America and is one of multiple Eucerceris species recorded from the region.
Eucerceris cressoni
Eucerceris cressoni is a species of weevil wasp in the family Crabronidae. It belongs to a genus closely related to Cerceris, with which it shares the common name 'weevil wasp' due to its predation on weevils. The species has been documented in North America, with records from Canada including Alberta. The genus Eucerceris was the subject of taxonomic work by entomologist George R. Ferguson, who continued research initiated by Herm Scullen.
Eucerceris provancheri
Eucerceris provancheri is a species of solitary wasp in the tribe Cercerini (Philanthinae, Crabronidae). Like other members of the genus Eucerceris, it is a weevil wasp that hunts weevils (Curculionidae) to provision nests for its larvae. The species occurs in Central America and North America.
Eucerceris rubripes
Eucerceris rubripes is a species of weevil wasp in the family Crabronidae, tribe Cercerini. The genus Eucerceris was subject to extensive taxonomic revision by George R. Ferguson, who specialized in Cerceris and related genera. Like other cercerine wasps, females provision nests with weevils (Curculionidae) as food for their larvae. The species has been recorded visiting flowering saltcedar (Tamarix) for nectar in Colorado.
Eucerceris superba
Eucerceris superba is a species of solitary wasp in the family Crabronidae (formerly placed in Philanthidae). It is native to North America, with records from Canada and the United States. The genus Eucerceris was revised by entomologist George R. Ferguson, who specialized in the taxonomy of these wasps.
Eucerceris tricolor
Eucerceris tricolor is a species of solitary wasp in the family Crabronidae, first described by Cockerell in 1897. It belongs to the tribe Cercerini, a group commonly known as beewolves or weevil wasps due to their specialized hunting behavior. The species is distributed across North America and Middle America. Like other members of its genus, it is presumed to be a predator of weevils and other beetles, though specific ecological details for this species remain limited in published literature.
Eucerceris vittatifrons
Eucerceris vittatifrons is a species of weevil wasp in the family Crabronidae. The genus Eucerceris is closely related to Cerceris, both being specialist predators of weevils. The species has been documented in western North America, with records from British Columbia, Canada. Like other members of its tribe, it likely provisions nests with paralyzed weevils for larval development.
Foxia
Foxia is a genus of cleptoparasitic wasps in the family Crabronidae, subfamily Bembicinae. The genus comprises 10 described species distributed across arid regions of the New World, from the United States south through Chile and Argentina. These wasps are obligate cleptoparasites, meaning they exploit the nests and provisions of other wasp species rather than constructing their own nests or hunting prey directly.
Foxia pacifica
Foxia pacifica is a species of sand wasp in the family Crabronidae, subfamily Bembicinae. It was described by Ashmead in 1898. The species is part of the genus Foxia, which belongs to the tribe Nyssonini. Based on the family-level classification and the genus name, members of Foxia are likely cleptoparasitic wasps that exploit the nests of other ground-nesting hymenopterans.
Gastrosericina
Gastrosericina is a subtribe of solitary wasps within the family Crabronidae, tribe Larrini. First described by André in 1886, this group comprises digger wasps that primarily prey on Orthoptera (grasshoppers and crickets). The subtribe includes several genera distributed across multiple continents.
Gorytes smithii
Gorytes smithii is a species of sand wasp in the family Crabronidae, subfamily Bembicinae. It belongs to the tribe Bembicini, which includes solitary wasps that typically nest in sandy soils and provision their burrows with paralyzed prey. The species was described by Cresson in 1880 and occurs in North America. Like other members of the genus Gorytes, it is likely associated with open sandy habitats where it excavates burrows for nesting.
Gorytes venustus
Gorytes venustus is a species of sand wasp in the family Crabronidae, described by Cresson in 1865. It belongs to the tribe Bembicini, a group of solitary wasps known for nesting in sandy soils and provisioning their young with paralyzed prey. The species is documented from North America. As a member of the genus Gorytes, it shares the general biology of related sand wasps, though species-specific details remain limited in available sources.
Gorytes willcoxi
Gorytes willcoxi is a species of sand wasp in the family Crabronidae (formerly placed in Bembicidae), described by Ohl in 2009. The species is known from North America. Like other members of the genus Gorytes, it is a solitary wasp that excavates burrows in sandy soils.
Gorytina
Gorytina is a subtribe of digger wasps within the tribe Bembicini, family Crabronidae. These wasps are solitary and typically nest in soil, with many species specializing on particular prey types. The subtribe includes approximately 20 genera distributed globally, with notable diversity in North America. Members are distinguished from other Bembicini by morphological features of the clypeus and labrum.
Hapalomellinus
Hapalomellinus is a genus of digger wasps in the family Crabronidae, subfamily Bembicinae. Established by Ashmead in 1899, it belongs to the tribe Bembicini within the subtribe Gorytina. The genus contains at least three described species: Hapalomellinus albitomentosus, H. pulvis, and H. teren. Like other Bembicinae, these wasps are solitary and nest in soil.
Hapalomellinus albitomentosus
Hapalomellinus albitomentosus is a species of sand wasp in the family Crabronidae, originally described by Bradley in 1920 as Gorytes albitomentosus. It belongs to the subfamily Bembicinae, a group of solitary wasps known for nesting in soil and provisioning their young with paralyzed prey. The species is part of the genus Hapalomellinus, which contains only three described species. Records indicate presence in North America.
Hoplisoides
sand wasps
Hoplisoides is a genus of solitary sand wasps in the family Crabronidae, containing at least 70 described species worldwide. These small wasps are characterized by their spotted wings and specialized predatory behavior targeting treehoppers (Membracidae). Females construct short burrows in sandy soil to provision with paralyzed prey for their larvae. The genus is distributed globally except Australia, with approximately 18 species in North America.
Hoplisoides hamatus
Hoplisoides hamatus is a sand wasp in the family Crabronidae. It is found in North America, with records from Canada including British Columbia. Like other members of the genus Hoplisoides, it is a solitary wasp that hunts treehoppers in the family Membracidae as prey for its larvae.
Hoplisoides punctifrons
sand wasp
Hoplisoides punctifrons is a species of solitary sand wasp in the family Crabronidae. It occurs in Central America and North America. Like other members of its genus, it is a ground-nesting wasp that provisions its brood with paralyzed prey.
Hoplisoides semipunctatus
sand wasp
Hoplisoides semipunctatus is a species of sand wasp in the family Crabronidae. It is native to South America, with records from Brazil (Bahia and Santa Catarina). The genus Hoplisoides comprises approximately 18 species in North America and is distributed globally except Australia. Members of this genus are solitary wasps that typically hunt treehoppers (Membracidae) as prey for their larvae.